{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Quadratus+lumborum+block+with+ropivacaine+0.2%25",
    "query": {
      "intervention": "Quadratus lumborum block with ropivacaine 0.2%"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T15:24:47.524Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT05044429",
      "title": "Postoperative Pain Control Following Renal Transplant",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Kidney Transplant; Complications",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Intravenous Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Transversus abdominis plane (TAP) block",
          "type": "DRUG"
        },
        {
          "name": "Quadratus Lumborum (QL) Block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 31,
      "start_date": "2021-03-16",
      "completion_date": "2023-11-29",
      "has_results": true,
      "last_update_posted_date": "2024-03-18",
      "last_synced_at": "2026-10-11T15:24:47.524Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05044429"
    },
    {
      "nct_id": "NCT06420336",
      "title": "QL vs LAI for Palatoplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-operative Pain",
        "Opioid Use",
        "Cleft Palate"
      ],
      "interventions": [
        {
          "name": "Quadratus lumborum block",
          "type": "PROCEDURE"
        },
        {
          "name": "Local anesthetic infiltration",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Years to 18 Years"
      },
      "enrollment_count": 46,
      "start_date": "2024-06-25",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-11T15:24:47.524Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06420336"
    },
    {
      "nct_id": "NCT03409900",
      "title": "Lumbar Plexus Block Versus Quadratus Lumborum Block for Primary Anterior Total Hip Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis",
        "Total Hip Arthroplasty"
      ],
      "interventions": [
        {
          "name": "LPB",
          "type": "OTHER"
        },
        {
          "name": "QLB",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 44,
      "start_date": "2019-03-04",
      "completion_date": "2019-11-22",
      "has_results": false,
      "last_update_posted_date": "2020-05-12",
      "last_synced_at": "2026-10-11T15:24:47.524Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03409900"
    },
    {
      "nct_id": "NCT04481451",
      "title": "Quadratus Lumborum vs Erector Spinae Supplementary Blocks With Lumbar Plexus Blocks for Hip PAO",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Regional Anesthesia",
        "Hip Dysplasia"
      ],
      "interventions": [
        {
          "name": "Erector spinae block with ropivacaine 0.2%",
          "type": "PROCEDURE"
        },
        {
          "name": "Quadratus lumborum block with ropivacaine 0.2%",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "15 Years to 30 Years"
      },
      "enrollment_count": 0,
      "start_date": "2020-12-01",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-10-11T15:24:47.524Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04481451"
    },
    {
      "nct_id": "NCT03695172",
      "title": "Comparison of TAP, Anterior QL, or ESP Block for Elective Cesarean Section",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Cesarean Section"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "TAP block",
          "type": "PROCEDURE"
        },
        {
          "name": "QL block",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ESP block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2019-09-12",
      "completion_date": "2021-03-20",
      "has_results": true,
      "last_update_posted_date": "2022-01-12",
      "last_synced_at": "2026-10-11T15:24:47.524Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03695172"
    },
    {
      "nct_id": "NCT04368364",
      "title": "A Randomized Control Trial Comparing Analgesic Benefits of Ultrasound-guided Single vs Continuous Quadratus Lumborum Blocks (QLB)vs Intrathecal Morphine(ITM) for Post Cesarean Section Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Intrathecal morphine sulfate (ITM)",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "ropivacaine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 3,
      "start_date": "2020-05-22",
      "completion_date": "2020-06-29",
      "has_results": true,
      "last_update_posted_date": "2022-05-16",
      "last_synced_at": "2026-10-11T15:24:47.524Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04368364"
    }
  ]
}